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Abstract:
The quadrupole split asymmetric 125Te Mössbauer spectrum recorded from the compound (Te2)2(I2), in which monomolecular planar layers of iodine molecules are intercalated between layers of tellurium, is a reflection of the distorted environment of tellurium atoms in a two-dimensional layered compound in which the elongated flat crystals are preferentially orientated. The differences between the Mössbauer parameters recorded from (Te2)2(I2) and those recorded from elemental tellurium and the tellurium(0) species in the compound Te3Cl2 are associated with small differences between the environments of tellurium in the three compounds. The Mössbauer spectra recorded from (Te2)2(I2) are consistent with a recently proposed model on which the electronic band structure of (Te2)2(I2) has been derived.
